Toshiba MD911 Instruction Manual page 5

2. Safety Precautions on Maintenance and Inspection
When installing or removing
the module after wiring, make
Mandatory
sure that the external power
supply is off.
Otherwise, there will be live electric
poles on the back of the external
terminal block of the module, causing
an electric shock.
Do not drop, crush, or apply
strong shocks to the device
Prohibited
or board.
Otherwise it will cause failure.
Before touching the device or
board, touch a grounded
Mandatory
metal to discharge the static
electricity of your body.
Otherwise, it may cause malfunction or
failure due to static electricity.
Wipe off stain on the device,
module, or board with a soft
Mandatory
cloth.
For severe stain, use a wet
cloth wrung tightly.
Leaving them stained may cause wrong
decision or malfunction.
WARNING
CAUTION
Place a board or module
removed from the unit or
Mandatory
base unit on a conductive mat
or conductive bag (used for a
backup board) on a grounded
table.
Otherwise, parts may be damaged due
to static electricity.
Do not use benzene or
thinner to remove stain on
Prohibited
device, module, or board.
It may cause deformation or
discoloration of the device panel,
module, or board.
Unified Controller nv series MODBUS (MD911) Module Instruction Manual
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